Patents by Inventor Zhaowei Hu
Zhaowei Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240095246Abstract: A data query method based on Doris includes: acquiring history data in a bottom operator in a storage engine architecture of the Doris, and performing an aggregation calculation on the history data to obtain an aggregation result of the history data; caching, by a preset cache system, the aggregation result of the history data; performing an aggregation calculation on real-time data in a newly inserted bottom operator in the Doris, in response to a data query request, to obtain an aggregate result of the real-time data; acquiring the aggregation result of the history data from the preset cache system, and merging the aggregation result of the history data with the aggregation result of the real-time data to obtain merged data; and sending, by a data sending operator in the Doris, the merged data to an upper layer of an execution engine, to output a final data query result.Type: ApplicationFiled: September 19, 2023Publication date: March 21, 2024Inventors: Zhaowei HUANG, Leilei HU, Junling DU, Xuan LUO
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Patent number: 10879581Abstract: An electronic device includes a first body, a second body, and a rotating shaft structure connected to the first body and the second body. The rotating shaft structure includes a first shaft and a second shaft arranged opposite to each other and fixedly connected to the first body and the second body. The rotating shaft structure further includes an antenna radiator including a plurality of metal shafts electrically coupled to each other and provided in an interspace between the first shaft and the second shaft.Type: GrantFiled: March 30, 2018Date of Patent: December 29, 2020Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Wenlei Wang, Zhaowei Hu, Xiaozhun Shen, Dafei Mo
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Publication number: 20190006747Abstract: An electronic device includes a first body, a second body, and a rotating shaft structure connected to the first body and the second body. The rotating shaft structure includes a first shaft and a second shaft arranged opposite to each other and fixedly connected to the first body and the second body. The rotating shaft structure further includes an antenna radiator including a plurality of metal shafts electrically coupled to each other and provided in an interspace between the first shaft and the second shaft.Type: ApplicationFiled: March 30, 2018Publication date: January 3, 2019Inventors: Wenlei WANG, Zhaowei HU, Xiaozhun SHEN, Dafei MO
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Patent number: 9419328Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: GrantFiled: July 6, 2015Date of Patent: August 16, 2016Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Patent number: 9231294Abstract: The present invention provides a method and an apparatus for compensating frequency shifting of an antenna, applicable to a wireless communication device having at least one frequency shifted operating mode, in which a frequency shifting exists due to a variation of a device use mode or an environmental condition, wherein the method comprises setting in the antenna at least one compensation matching circuit corresponding to the at least one frequency shifted operating mode; detecting the use mode, in which the wireless communication device operates; when the wireless communication device is in the frequency shifted operating mode, switching to a compensation matching circuit corresponding to the frequency shifted operating mode as detected. In the present invention, the difficulty in the bandwidth design of the antenna is reduced, and the effect of the variation of the use mode or environmental condition on the performance of the antenna is compensated adaptively.Type: GrantFiled: March 18, 2013Date of Patent: January 5, 2016Assignee: LENOVO (BEIJING) CO., LTD.Inventors: Kai Lu, Zhaowei Hu, Dafei Mo, Chunmei Ye
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Patent number: 9229490Abstract: Provided is an information processing device that includes a first component, including a display unit and a first antenna of the information processing device; a second component, including an arithmetic unit and a radio frequency circuit; the arithmetic unit used for providing a display signal to the display unit; a first connecting means used for connecting the first component and the second component and enabling the first component to rotate relative to the second component; and a second antenna disposed on the first connecting means.Type: GrantFiled: September 27, 2012Date of Patent: January 5, 2016Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Zhaowei Hu, Chunmei Ye, Xiongbing Gong
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Patent number: 9178271Abstract: Disclosed are electronic devices. The electronic device includes a metal component configured as an antenna arm, wherein a current delivery path for delivering high-frequency current is formed on the metal component so that the high-frequency current is delivered in accordance with a predetermined path along the current delivery path on the metal component. In this way, the delivery path of the high-frequency current on the antenna can be adjusted to satisfy requirement on antenna performance.Type: GrantFiled: September 27, 2011Date of Patent: November 3, 2015Assignees: Lenovo (Beijing) Limited, Beijing Lenovo Software Ltd.Inventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang
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Publication number: 20150311581Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: ApplicationFiled: July 6, 2015Publication date: October 29, 2015Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) CO., LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Patent number: 9112271Abstract: A terminal device includes a first house configured to at least accommodate a processing unit and a wireless communication unit. The wireless communication unit is configured to cause the terminal device to perform wireless communication with an external apparatus and exchange data. The wireless communication unit includes an antenna unit configured to receive and transmit a RF signal, a RF circuit connected with the antenna unit and configured to transmit the RF signal to or receive the RF signal from the antenna unit, wherein, an air vent is set on the first house, and the antenna unit is formed by the air vent.Type: GrantFiled: October 9, 2012Date of Patent: August 18, 2015Assignees: LENOVO (BEIJING) CO., LTD., BEIJING LENOVO SOFTWARE LTD.Inventors: Dafei Mo, Kangkang Chen, Zhaowei Hu, Xiongbing Gong, Lu Lu
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Publication number: 20130252662Abstract: The present invention provides a method and an apparatus for compensating frequency shifting of an antenna, applicable to a wireless communication device having at least one frequency shifted operating mode, in which a frequency shifting exists due to a variation of a device use mode or an environmental condition, wherein the method comprises setting in the antenna at least one compensation matching circuit corresponding to the at least one frequency shifted operating mode; detecting the use mode, in which the wireless communication device operates; when the wireless communication device is in the frequency shifted operating mode, switching to a compensation matching circuit corresponding to the frequency shifted operating mode as detected. In the present invention, the difficulty in the bandwidth design of the antenna is reduced, and the effect of the variation of the use mode or environmental condition on the performance of the antenna is compensated adaptively.Type: ApplicationFiled: March 18, 2013Publication date: September 26, 2013Applicant: LENOVO (BEIJING) CO., LTD.Inventors: Kai LU, Zhaowei HU, Dafei MO, Chunmei YE
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Publication number: 20130176181Abstract: Disclosed are electronic devices. The electronic device includes a metal component configured as an antenna arm, wherein a current delivery path for delivering high-frequency current is formed on the metal component so that the high-frequency current is delivered in accordance with a predetermined path along the current delivery path on the metal component. In this way, the delivery path of the high-frequency current on the antenna can be adjusted to satisfy requirement on antenna performance.Type: ApplicationFiled: September 27, 2011Publication date: July 11, 2013Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITEDInventors: Dafei Mo, Zhaowei Hu, Xiongbing Gong, Lin Wang
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Publication number: 20060099994Abstract: The invention relates to a wireless human-machine interactive device of personal computer including two parts, a display and a base. The display can be independently used separately from the base. The key features are in that: the display output module comprising at least a central processing unit (CPU) and a liquid crystal display (LCD), a main board containing a supply circuit for providing a voltage conversion for the main board and for charging a secondary battery, a backlight board, a touch screen control board, a peripheral interface board comprising all Input/Output (I/O) device interfaces and a secondary battery are mounted on a rear part of the display; an LCD control board and a supply adapter for converting a commercial supply into a direct current (DC) supply and supplying the LCD control board with power is mounted in the base; and the electrical connections between the base and the display are achieved by gilded pins (golden finger) or a multi-pin/multi-jack connector.Type: ApplicationFiled: June 30, 2003Publication date: May 11, 2006Applicant: Lenovo (Beijing) LimitedInventors: Tao Yang, Ning Li, Zhaowei Hu